**STEMFIE Rolling Mangonel – A 3D-Printable Siege on Wheels!**

Prepare for battle with the STEMFIE Rolling Mangonel, a fully 3D-printable, wheeled catapult designed for epic fun! Inspired by medieval siege engines, this mobile launcher lets you hurl small projectiles with precision while rolling into strategic positions.

**Features:**
 - Wheeled for mobility – Move into position before launching!
 - Easy to assemble – 100% 3D-printable, no extra parts needed!
 - STEM learning meets fun – Experiment with angles, force, and mechanics!
 - The build plate files include a 3D-printable STEMFIE sphere for ammunition!

Whether you're launching mini payloads in a tabletop battle or just having fun testing your aim, the STEMFIE Rolling Mangonel is the ultimate siege machine for makers and tinkerers. Download, print, and start launching!

🔗 Print. Build. Play. Conquer! 🚀

---
**Assembly Tools**
 - [Download the STEMFIE Driver](https://than.gs/m/1230328)

 - [Download the STEMFIE Spanner](https://than.gs/m/1230330)

---
 - **Support the STEMFIE open-source toy**—[join us here on Thangs](https://than.gs/u/6624?plans=true) and be part of our growing community!

 - **STEMFIE news** 👉 [x.com/Stemfie3D](https://x.com/stemfie3d)
---

STEMFIE Rolling Mangonel

STEMFIE Project - SPS-000010 - Rolling Mangonel.3mf

STEMFIE Building Toy Set - SPS-000010 - Rolling Mangonel (Bambu Studio).3mf

STEMFIE Building Toy Set - SPS-000010 - Rolling Mangonel (Black).stl

STEMFIE Building Toy Set - SPS-000010 - Rolling Mangonel (Generic 3MF).3mf

STEMFIE Building Toy Set - SPS-000010 - Rolling Mangonel (Gray).stl

STEMFIE Building Toy Set - SPS-000010 - Rolling Mangonel (Green).stl

STEMFIE Building Toy Set - SPS-000010 - Rolling Mangonel (Orange).stl

STEMFIE Building Toy Set - SPS-000010 - Rolling Mangonel (White).stl

**STEMFIE CyberTruck-Inspired Toy Car – The Ultimate 3D-Printed Ride!**

Get ready to roll with the STEMFIE CyberTruck-Inspired Toy Car, a sleek and futuristic vehicle built entirely from 3D-printable parts! This rugged yet stylish ride is a testament to creativity, engineering, and open-source innovation, perfectly suited for makers, educators, and young inventors.

** Designed for DIY Builders**
Just like all STEMFIE models, this CyberTruck-inspired toy is completely modular, allowing you to customize, upgrade, or modify it with ease. Whether you're racing it down a makeshift track or displaying it as a futuristic design concept**, this build is a head-turner.

**Key Features:**
 - 100% 3D-Printable: No special parts needed—just print, assemble, and go!
 - Bold & Geometric Design: Inspired by real-world futuristic vehicles.
 - Functional Wheels & Rollers: Built for smooth movement and playful interaction.
 - Educational & Fun: Encourages problem-solving, engineering, and creativity.

Whether you're a hobbyist, a student, or a hardcore STEM enthusiast, this CyberTruck-inspired STEMFIE build is a must-have addition to your collection. Print yours today and take it for a spin! 

---
**Assembly Tools**
 - [Download the STEMFIE Driver](https://than.gs/m/1230328)

 - [Download the STEMFIE Spanner](https://than.gs/m/1230330)

---
 - **Support the STEMFIE open-source toy**—[join us here on Thangs](https://than.gs/u/6624?plans=true) and be part of our growing community!

 - **STEMFIE news** 👉 [x.com/Stemfie3D](https://x.com/stemfie3d)
---

STEMFIE Cybertruck Toy Car

STEMFIE Project - SPS-000012 - Cybertruck Toy Car (stemfie.org).3mf

**STEMFIE Riders Collection – 3D-Printable Fun on Wheels!**

Get ready to roll with the STEMFIE Riders Collection—a set of 3D-printable bicycles and tricycles that bring endless fun to your STEMFIE builds! This collection includes:

- A tiny Toddler Trike for the little ones 
- A sleek Two-Wheeler for the daring rider 
- A sleek Two-Wheeler with stabilizers 
- A sturdy Big Trike for extra stability and style 

These models, designed for easy 3D printing and endless creativity, are perfect for young makers, educators, and STEM enthusiasts. Download, print, and let your imagination ride free!

---
**ASSEMBLY VIDEOS**
 - [STEMFIE Riders - Bike](youtu.be/ZVpjwAHeV1U)
 - [STEMFIE Riders - Tiny Trike](youtu.be/HQ8wQB7fwx4)
 - [STEMFIE Riders - Trike](youtu.be/h9jSlE7UKHo)
 - [STEMFIE Riders - Bike with Stabilizers](youtu.be/HVB287ppzIA)

---
**Assembly Tools**
 - [Download the STEMFIE Driver](https://than.gs/m/1230328)

 - [Download the STEMFIE Spanner](https://than.gs/m/1230330)

---
 - **Support the STEMFIE open-source toy**—[join us here on Thangs](https://than.gs/u/6624?plans=true) and be part of our growing community!

 - **STEMFIE news** 👉 [x.com/Stemfie3D](https://x.com/stemfie3d)
---

STEMFIE Riders Collection

STEMFIE Project - SPS-000014 - STEMFIE Riders Collection - Bike with Stabilizers.3mf

**STEMFIE SnackSlinger – The Ultimate Popcorn Catapult!**

Bring the fun to your next party with the STEMFIE SnackSlinger—a 3D-printable mini catapult designed to launch popcorn (or other light snacks) with precision and style! Based on STEMFIE’s modular construction system, this playful design is easy to print, assemble, and enjoy.

**Features:**
 - Perfectly sized to hold popcorn, making snack time more exciting!
 - Simple yet fun mechanism—just press and release!
 - 100% 3D-printable with no extra hardware needed! 

Challenge your friends, test your aim, and make snack time an adventure. Download now and start slinging snacks in style!

🔗 Print. Build. Play. Snack! 🚀

---
**Assembly Tools**
 - [Download the STEMFIE Driver](https://than.gs/m/1230328)

 - [Download the STEMFIE Spanner](https://than.gs/m/1230330)

---
 - **Support the STEMFIE open-source toy**—[join us here on Thangs](https://than.gs/u/6624?plans=true) and be part of our growing community!

 - **STEMFIE news** 👉 [x.com/Stemfie3D](https://x.com/stemfie3d)
---

stemfie

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STEMFIE Rolling Mangonel

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